Where is the drain plug?
Removing the drain plug and just letting old coolant drain out and then refilling doesn't really flush it out. It only drains what is in the radiator and it doesn't circulate and flush what is in the engine and heater core.
Take radiator cap off, then take top radiator hose off where it comnects to the radiator..only disconnect that side of the radiator hose aim end of hose downwards and leave it there. Take a wet rag and push it into the radiator where the hose was connected..you don't want to push it in so far you have trouble removing after flushing...the wet rag is just to limit the amount of water that will come out of radiator where hose is no longer attached..crank car and coolant will start to slowly come out the vend of radiator hose aimed downward...have a hose or 4 or 5gallons of water...right after you crank the car pour the water or befilling the radiator with the hose...you want to keep the water going in the radiator as to keep it fulI...replace what is coming out of radiator hose...continue to add water until what is coming out of the radiator hose is clear water.. this way the water is circulating through the entire cooling system and engine. When water is coming out clean...turn car off remove rag from radiator and reconnecupper radiator hose..the drainplug is at the bottom of the radiator on the side of radiator that is on the drivers side of the car....remove drain plug and drain water left in radiator..replace drain plug and crank vehicle and fill radiator with coolant recommended for your vehicle... Sounds more complicated than it really is..other option take to a repair shop and have them flush with machine..usually around 100 bucks at ashop..Iif you have any questions Iwill be glad to answer..
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